Feature 1The ergonomic design closely fits the curve of the face and neck, and the micro current penetrates into the muscle layer for gentle massage. 2Intelligent induction, stop when you let go, automatic heating, no need to onoff the machine frequently. 3The massager will only work when the hand touches the sensor line and the massage head touches the skin. 4You need to apply lotion or serum during skin caring, just loosen the touch, no need to switch the machine. 5Various modes. Mode 1: The blue light is always on, use scraping and leadin area massage without heating; Mode 2: The blue light is flashing, the leadin area is heated, and use scraping and leadin area massage. 6LED red light, green light, blue light care, each light has a unique effect, whitening and rejuvenating the skin, soothing and calming, and balancing oil. 7Small size, built-in high-capacity battery, long-lasting battery life, suitable for temples, cervical spine, face, shoulders, back, legs, etc.Item Type: Gua Sha MassagerMaterial: ABS+ElectroplatingWeight: Approx. 165g / 5.8ozProduct Size: Approx. 13x8x1.5cm / 5.1x3.1x0.6inBattery: Built-in a 502230 lithium battery, capacity: 350MAH (included)Light Color: Red, Green, BlueMode: Mode 1: The blue light is always on, use scraping and lead-in area massage without heating; Mode 2: The blue light is flashing, the lead-in area is heated, and use scraping and lead-in area massage.How to Use:1. Long press the product for 2 seconds to switch the machine, short press to switch the mode2. Mode 1: The blue light is always on, use scraping and lead-in area massage without heating; Mode 2: The blue light is flashing, the lead-in area is heated, and use scraping and lead-in area massage.3. There is no need to switch the machine frequently, the hand touches the induction line, the massage head touches the skin, and the two conditions are met at the same time, the massager will work4. It can be used to massage temples, cervical spine, face, shoulders, back, legs and other places5. USB charging, can be used with charging head, laptop computer chargingPackage List1 x Gua Sha Massager1 x USB Cable1 x ManualNote1. Please allow 01 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Intelligent sensing, hand touches the sensor line, the massage head touches the skin, and the massager will only work if these two conditions are met at the same time.